The Graph Shows the Neutron-Capture Cross Section for Indium as a Function

Multiple Choice

The graph shows the neutron-capture cross section for indium as a function of neutron energy. Which of the following statements can be deduced from the graph?

A) The size of the nucleus varies.
B) 100-eV neutrons are not captured.
C) The reaction is most likely to occur for neutrons of 1 eV energy.
D) The reaction is endothermic.
E) Brehmstrahlung and characteristic K _$\alpha$ X rays are produced.